xhci_read_64
#define xdbc_read64(regs) xhci_read_64(NULL, (regs))
erst_base = xhci_read_64(xhci, &ir->ir_set->erst_base);
hw_ring_state = xhci_read_64(xhci, &xhci->op_regs->cmd_ring);
temp_64 = xhci_read_64(xhci, &ir->ir_set->erst_dequeue);
temp = xhci_read_64(xhci, &ir->ir_set->erst_dequeue);
erdp_reg = xhci_read_64(xhci, &ir->ir_set->erst_dequeue);
val = xhci_read_64(xhci, &xhci->op_regs->dcbaa_ptr);
val = xhci_read_64(xhci, &xhci->op_regs->cmd_ring);
val = xhci_read_64(xhci, &ir->erst_base);
val= xhci_read_64(xhci, &ir->erst_dequeue);
temp_64 = xhci_read_64(xhci, &xhci->op_regs->dcbaa_ptr);
crcr = xhci_read_64(xhci, &xhci->op_regs->cmd_ring);
temp_64 = xhci_read_64(xhci, &ir->ir_set->erst_dequeue);
xhci->s3.dcbaa_ptr = xhci_read_64(xhci, &xhci->op_regs->dcbaa_ptr);
ir->s3_erst_base = xhci_read_64(xhci, &ir->ir_set->erst_base);
ir->s3_erst_dequeue = xhci_read_64(xhci, &ir->ir_set->erst_dequeue);